jsp判断请求来自手机示例代码

<%
string wap = "http://3g.ssss.com.cn";

string agent = request.getheader("user-agent");
//string agent = "mozilla/5.0 (macintosh; intel mac os x 10_7_2) applewebkit/534.51.22 (khtml, like gecko) version/5.1.1 safari/534.51.22";
string agentcheck = agent.trim().tolowercase();
boolean iswap = false;
string[] keywords = {"mobile", "android",
"symbianos", "iphone", "wp\\d*", "windows phone",
"mqqbrowser", "nokia", "samsung", "midp-2",
"untrusted/1.0", "windows ce", "blackberry","ucweb",
"brew", "j2me", "yulong", "coolpad", "tianyu", "ty-",
"k-touch", "haier", "dopod", "lenovo", "huaqin", "aigo-",
"ctc/1.0", "ctc/2.0", "cmcc", "daxian", "mot-",
"sonyericsson", "gionee", "htc", "zte", "huawei", "webos",
"gobrowser", "iemobile", "wap2.0","wapi"};
pattern pf = pattern.compile("wp\\d*");
matcher mf = pf.matcher(agentcheck);
if (agentcheck!=null&&(agentcheck.indexof("windows nt") == -1 && agentcheck
.indexof("ubuntu") == -1)
|| (agentcheck.indexof("windows nt") > -1 && mf.find())) {
for (int i = 0; i < keywords.length; i++) {
pattern p = pattern.compile(keywords[i]);
matcher m = p.matcher(agentcheck);
//排除 苹果桌面系统 和ipad 、ipod
if (m.find() && agentcheck.indexof("ipad") == -1
&& agentcheck.indexof("ipod") == -1
&& agentcheck.indexof("macintosh") == -1) {
iswap = true;
break;
}
}
}
if (iswap) {
response.sendredirect(wap);
}
%>

/**手机浏览器的user-agent里的关键词*/
"nokia",//诺基亚，有山寨机也写这个的，总还算是手机，mozilla/5.0 (nokia5800 xpressmusic)uc applewebkit(like gecko) safari/530
"samsung",//三星手机 samsung-gt-b7722/1.0+shp/vpp/r5+dolfin/1.5+nextreaming+smm-mms/1.2.0+profile/midp-2.1+configuration/cldc-1.1
"midp-2",//j2me2.0，mozilla/5.0 (symbianos/9.3; u; series60/3.2 nokiae75-1 /110.48.125 profile/midp-2.1 configuration/cldc-1.1 ) applewebkit/413 (khtml like gecko) safari/413
"cldc1.1",//m600/midp2.0/cldc1.1/screen-240x320
"symbianos",//塞班系统的，
"maui",//mtk山寨机默认ua
"untrusted/1.0",//疑似山寨机的ua，基本可以确定还是手机
"windows ce",//windows ce，mozilla/4.0 (compatible; msie 6.0; windows ce; iemobile 7.11)
"iphone",//iphone是否也转wap？不管它，先区分出来再说。mozilla/5.0 (iphone; u; cpu iphone os 4_1 like mac os x; zh-cn) applewebkit/532.9 (khtml like gecko) mobile/8b117
"ipad",//ipad的ua，mozilla/5.0 (ipad; u; cpu os 3_2 like mac os x; zh-cn) applewebkit/531.21.10 (khtml like gecko) version/4.0.4 mobile/7b367 safari/531.21.10
"android",//android是否也转wap？mozilla/5.0 (linux; u; android 2.1-update1; zh-cn; xt800 build/tita_m2_16.22.7) applewebkit/530.17 (khtml like gecko) version/4.0 mobile safari/530.17
"blackberry",//blackberry8310/2.7.0.106-4.5.0.182
"ucweb",//ucweb是否只给wap页面？ nokia5800 xpressmusic/ucweb7.5.0.66/50/999
"ucweb",//小写的ucweb貌似是uc的代理服务器mozilla/6.0 (compatible; msie 6.0;) opera ucweb-squid
"brew",//很奇怪的ua，例如：rew-applet/0x20068888 (brew/3.1.5.20; deviceid: 40105; lang: zhcn) ucweb-squid
"j2me",//很奇怪的ua，只有j2me四个字母
"yulong",//宇龙手机，yulong-coolpadn68/10.14 ipanel/2.0 ctc/1.0
"yulong",//还是宇龙
"coolpad",//宇龙酷派yl-coolpads100/08.10.s100 polaris/2.9 ctc/1.0
"tianyu",//天语手机tianyu-ktouch/v209/midp2.0/cldc1.1/screen-240x320
"ty-",//天语，ty-f6229/701116_6215_v0230 jupitor/2.2 ctc/1.0
"k-touch",//还是天语k-touch_n2200_cmcc/tbg110022_1223_v0801 mtk/6223 release/30.07.2008 browser/wap2.0
"haier",//海尔手机，haier-hg-m217_cmcc/3.0 release/12.1.2007 browser/wap2.0
"dopod",//多普达手机
"lenovo",// 联想手机，lenovo-p650wg/s100 lmp/lml release/2010.02.22 profile/midp2.0 configuration/cldc1.1
"lenovo",// 联想手机，比如：lenovo-p780/176a
"huaqin",//华勤手机
"aigo-",//爱国者居然也出过手机，aigo-800c/2.04 tmss-browser/1.0.0 ctc/1.0
"ctc/1.0",//含义不明
"ctc/2.0",//含义不明
"cmcc",//移动定制手机，k-touch_n2200_cmcc/tbg110022_1223_v0801 mtk/6223 release/30.07.2008 browser/wap2.0
"daxian",//大显手机daxian x180 up.browser/6.2.3.2(gui) mmp/2.0
"mot-",//摩托罗拉，mot-motorokre6/1.0 linuxos/2.4.20 release/8.4.2006 browser/opera8.00 profile/midp2.0 configuration/cldc1.1 software/r533_g_11.10.54r
"sonyericsson",// 索爱手机，sonyericssonp990i/r100 mozilla/4.0 (compatible; msie 6.0; symbian os; 405) opera 8.65 [zh-cn]
"gionee",//金立手机
"htc",//htc手机
"zte",//中兴手机，zte-a211/p109a2v1.0.0/wap2.0 profile
"huawei",//华为手机，
"webos",//palm手机，mozilla/5.0 (webos/1.4.5; u; zh-cn) applewebkit/532.2 (khtml like gecko) version/1.0 safari/532.2 pre/1.0
"gobrowser",//3g gobrowser.user-agent=nokia5230/gobrowser/2.0.290 safari
"iemobile",//windows ce手机自带浏览器，
"wap2.0"//支持wap 2.0的
"wapi"//是中国标准 为了对抗wifi (wifi是不让用的,行货的这功能都阉割了,只有水货手机有这功能) 是无线局域网

常见智能机user agent string

mozilla/5.0 (ipod; u; cpu iphone os 4_3_2 like mac os x; zh-cn) applewebkit/533.17.9 (khtml, like gecko) version/5.0.2 mobile/8h7 safari/6533.18.5

mozilla/5.0 (iphone; u; cpu iphone os 4_3_2 like mac os x; zh-cn) applewebkit/533.17.9 (khtml, like gecko) version/5.0.2 mobile/8h7 safari/6533.18.5

mqqbrowser/25 (linux; u; 2.3.3; zh-cn; htc desire s build/gri40;480*800)

mozilla/5.0 (linux; u; android 2.3.3; zh-cn; htc_desires_s510e build/gri40) applewebkit/533.1 (khtml, like gecko) version/4.0 mobile safari/533.1

mozilla/5.0 (symbianos/9.3; u; series60/3.2 nokiae75-1 /110.48.125 profile/midp-2.1 configuration/cldc-1.1 ) applewebkit/413 (khtml, like gecko) safari/413

mozilla/5.0 (ipad; u; cpu os 4_3_3 like mac os x; zh-cn) applewebkit/533.17.9 (khtml, like gecko) mobile/8j2

mozilla/5.0 (windows nt 5.2) applewebkit/534.30 (khtml, like gecko) chrome/12.0.742.122 safari/534.30

mozilla/5.0 (macintosh; intel mac os x 10_7_2) applewebkit/535.1 (khtml, like gecko) chrome/14.0.835.202 safari/535.1

mozilla/5.0 (macintosh; intel mac os x 10_7_2) applewebkit/534.51.22 (khtml, like gecko) version/5.1.1 safari/534.51.22

mozilla/5.0 (iphone; cpu iphone os 5_0 like mac os x) applewebkit/534.46 (khtml, like gecko) version/5.1 mobile/9a5313e safari/7534.48.3

mozilla/5.0 (iphone; cpu iphone os 5_0 like mac os x) applewebkit/534.46 (khtml, like gecko) version/5.1 mobile/9a5313e safari/7534.48.3

mozilla/5.0 (iphone; cpu iphone os 5_0 like mac os x) applewebkit/534.46 (khtml, like gecko) version/5.1 mobile/9a5313e safari/7534.48.3

mozilla/5.0 (windows nt 6.1) applewebkit/535.1 (khtml, like gecko) chrome/14.0.835.202 safari/535.1

mozilla/5.0 (compatible; msie 9.0; windows phone os 7.5; trident/5.0; iemobile/9.0; samsung; omnia7)　　　　　　----samsung mp7

mozilla/5.0 (compatible; msie 9.0; windows nt 6.1; trident/5.0; xblwp7; zunewp7) 　　　　　　　　----htc mp7

下面是用javascript实现的 因为涉及到页面静态化为题所有要用javascript

<script type="text/javascript">
function iswap(){
var agentcheck=navigator.useragent.tolowercase();
var chesys=true;
var iswap=false;
var keywords = ["mobile", "android",
"symbianos", "iphone","windows phone",
"mqqbrowser", "nokia", "samsung", "midp-2",
"untrusted/1.0", "windows ce", "blackberry","ucweb",
"brew", "j2me", "yulong", "coolpad", "tianyu", "ty-",
"k-touch", "haier", "dopod", "lenovo", "huaqin", "aigo-",
"ctc/1.0", "ctc/2.0", "cmcc", "daxian", "mot-",
"sonyericsson", "gionee", "htc", "zte", "huawei", "webos",
"gobrowser", "iemobile", "wap2.0","wapi"];
//排除 windows,苹果等桌面系统 和ipad 、ipod
var rekeywords=["windows 98", "windows me","windows 2000","windows xp","windows nt","ubuntu","ipad","ipod","macintosh"];

if (agentcheck!=null){
for (var i = 0; i < rekeywords.length; i++) {
if ( agentcheck.indexof(rekeywords[i].tolowercase())>-1){
chesys=false;
}
}
}

if (chesys){
for (var i = 0; i < keywords.length; i++) {
if ( agentcheck.indexof(keywords[i].tolowercase())>-1) {
iswap = true;
break;
}
}
}
if (iswap) {
window.location.href="http://3g.gf.com.cn";
}

}
</script>